Looking for a car AC mechanic or multibrand car service near Ambattur? Choose AC, general maintenance, oil, electrical or parts work for your car, with the required work and estimate explained before approval.
GM Car A/C Service is a multibrand car AC, general-service and electrical workshop in Kallikuppam, Ambattur, Chennai. For weak cooling, gas filling, periodic maintenance, battery or alternator faults, wiring issues and AC electrical problems, select the relevant service below. AC gas filling is ₹1,500 for a single module or ₹2,200 for a double module, including leak check.
Choose the right service for your car. Every card opens a separate page with service details.
Complete car AC care including cooling diagnosis, AC gas filling, compressor checks, condenser and evaporator inspection, leak repair, cabin filter replacement, blower performance checks and regular AC maintenance.
Find the Right AC Service
Engine-oil and oil-filter replacement for your service interval, with oil grade and work confirmed before the job begins.
Oil Service Details
Multibrand routine and periodic maintenance: engine oil and filters, brakes, suspension, clutch, coolant and fluid checks, with an estimate after diagnosis.
General Service Details
Electrical diagnosis and repair for vehicle systems:
Multibrand car AC and electrical parts supply. Available for in-workshop diagnostic replacement or direct over-the-counter retail purchase (Cool Sales).
Parts & Spares DetailsChoose the issue closest to your car’s symptoms for service details, diagnosis information and booking options.
Use this guide to choose the right service before calling. If you are not sure, select "Other / Not Sure" in the form and our team will classify the job after diagnosis.
Choose this for weak cooling, AC not cooling, gas filling, compressor noise, water leakage inside the cabin, bad smell, low airflow, cooling coil faults, condenser blockage, cabin filter replacement or regular yearly AC maintenance.
Choose this for periodic maintenance, engine oil and filter service, brake, suspension or clutch checks, coolant and fluid checks, regular inspection or multibrand service support.
Choose this for battery drain, car not starting, alternator warning, blown fuses, relay faults, wiring damage, blower motor not working, dashboard warning lights or AC electrical circuit problems.
Choose this for an oil-service interval, oil filter replacement or an engine-oil recommendation for your vehicle. The right grade and estimate are confirmed before work begins.
Choose this when an AC, electrical or routine-service part needs replacement. We explain the recommendation and estimate before fitment.
Intake
We collect your issue, vehicle model, area and pickup preference. You can call, WhatsApp or submit the form.
Diagnosis
The technician confirms whether the job belongs under AC servicing, general service or electrical service.
Estimate
The estimate is confirmed after diagnosis, before you decide whether to proceed.
Quick answer: GM Car A/C Service offers five core categories: Car AC Servicing, Car Oil Service, Car General Service, Complete Car Electrical Service, and Parts Replacement Support. Fleet and B2B service routes are listed above.
Founder and lead technician G. Manigandan has hands-on experience.
Parts recommendations and fitment support follow the diagnosed fault and estimate.
For repairs beyond gas filling, the estimate follows diagnosis and vehicle requirements.
Free pick-up and drop anywhere in Chennai, on confirmed bookings, subject to slot availability; call to confirm. Free for every customer, not only Cool Care members, and there is no minimum bill.
Tell us the vehicle and issue. Timing, pickup or drop availability, and estimates are confirmed after diagnosis.
Choose the service or describe the issue. We will use your details to discuss diagnosis, timing and any pickup or drop request.
One yearly plan covers your general service, oil change, A/C and mid-year check. The 30-point A/C and electrical checkup is free at every visit.
Your oil change is part of the General Service — not a separate charge. Plans are limited each year so we can keep every slot we book.
Free pick-up and drop anywhere in Chennai, on confirmed bookings, subject to slot availability, is for every customer — plan member or not, with no minimum bill. Master simply has it booked into all four visits.
See the full membership — what's covered, what it saves →
For an older car, or a first plan.
₹2,999 / year
Booked separately these cost more — the bundle saves you ₹1,000
Most chosen
For the family car you drive every day.
₹6,499 / year, petrol
Diesel ₹7,699 — the diesel General Service is ₹1,200 more
Three of these four visits come to ₹8,498 booked separately — you save ₹1,999
For never having to think about the car.
₹9,999 / year
Only 40 Master plans a year, so we can keep the pick-up promise
Plans run 12 months from your first visit. Prices include GST. Anything we find during a visit is quoted before work starts — we diagnose first, then quote.
Free pick-up and drop anywhere in Chennai, on confirmed bookings, subject to slot availability — from any area listed here or any other part of the city.
Questions customers ask before choosing a workshop.